<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2008 - 2009, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter Inflector Helpers
 *
 * @package		CodeIgniter
 * @subpackage	Helpers
 * @category	Helpers
 * @author		ExpressionEngine Dev Team
 * @link		http://codeigniter.com/user_guide/helpers/directory_helper.html
 */


// --------------------------------------------------------------------

/**
 * Singular
 *
 * Takes a plural word and makes it singular
 *
 * @access	public
 * @param	string
 * @return	str
 */
if ( ! function_exists('singular')) {
  function singular($str) {
    $str = strtolower(trim($str));
    $end = substr($str, -3);

    if ($end == 'ies') {
      $str = substr($str, 0, strlen($str)-3).'y';
    }
    elseif ($end == 'ses') {
      $str = substr($str, 0, strlen($str)-2);
    }
    else {
      $end = substr($str, -1);

      if ($end == 's') {
        $str = substr($str, 0, strlen($str)-1);
      }
    }

    return $str;
  }
}

// --------------------------------------------------------------------

/**
 * Plural
 *
 * Takes a singular word and makes it plural
 *
 * @access	public
 * @param	string
 * @param	bool
 * @return	str
 */
if ( ! function_exists('plural')) {
  function plural($str, $force = FALSE) {
    $str = strtolower(trim($str));
    $end = substr($str, -1);

    if ($end == 'y') {
    // Y preceded by vowel => regular plural
      $vowels = array('a', 'e', 'i', 'o', 'u');
      $str = in_array(substr($str, -2, 1), $vowels) ? $str.'s' : substr($str, 0, -1).'ies';
    }
    elseif ($end == 's') {
      if ($force == TRUE) {
        $str .= 'es';
      }
    }
    else {
      $str .= 's';
    }

    return $str;
  }
}

// --------------------------------------------------------------------

/**
 * Camelize
 *
 * Takes multiple words separated by spaces or underscores and camelizes them
 *
 * @access	public
 * @param	string
 * @return	str
 */
if ( ! function_exists('camelize')) {
  function camelize($str) {
    $str = 'x'.strtolower(trim($str));
    $str = ucwords(preg_replace('/[\s_]+/', ' ', $str));
    return substr(str_replace(' ', '', $str), 1);
  }
}

// --------------------------------------------------------------------

/**
 * Underscore
 *
 * Takes multiple words separated by spaces and underscores them
 *
 * @access	public
 * @param	string
 * @return	str
 */
if ( ! function_exists('underscore')) {
  function underscore($str) {
    return preg_replace('/[\s]+/', '_', strtolower(trim($str)));
  }
}

// --------------------------------------------------------------------

/**
 * Humanize
 *
 * Takes multiple words separated by underscores and changes them to spaces
 *
 * @access	public
 * @param	string
 * @return	str
 */
if ( ! function_exists('humanize')) {
  function humanize($str) {
    return ucwords(preg_replace('/[_]+/', ' ', strtolower(trim($str))));
  }
}


/* End of file inflector_helper.php */
/* Location: ./system/helpers/inflector_helper.php */